Merge pull request #6 from stickman33/main

update readme

README.md

@@ -73,4 +73,5 @@ Available environment variables (\* marks required ones):
 - `DATA_DIR` - path to store the database, RSS feeds and other static files. Default: `user_data_dir` from [platformdirs](https://github.com/platformdirs/platformdirs?tab=readme-ov-file#platformdirs-to-the-rescue)
 - `FEED_SIZE` - size of the RSS feed. When your RSS feed grows larger than the limit, older entries are going to be discarded. Default: 200.
 - `INITIAL_FEED_SIZE` - number of messages we fetch for any new feed on the first run. Default value: 50.
-- `UPDATE_INTERVAL` - how often the app should fetch new messages from Telegram and regenerate RSS feeds (in seconds). Default: 3600.
+- `UPDATE_INTERVAL` - how often the app should fetch new messages from Telegram and regenerate RSS feeds (in seconds). Default: 3600.
+- `MAX_VIDEO_SIZE_MB` - the maximum allowed size (in megabytes) for video files to be downloaded from Telegram. Default value: 10.